Today'sAppsGoneFree:BottleCapBlitz,Inclusion,MoveAndMatchAndMore

Smash ice cubes to bits by flicking bottle caps at them in Big Pixel Studios' arcade game, Bottle Cap Blitz. We also have a slick game of numbers, and an educational app that allows you to create custom projects for your students or kids.

All app prices are subject to change at any time and without notice regardless of stated free duration. Price changes are solely under the control of the developers.

iPhone:

TanZen - Relaxing tangram puzzles ($2.99 → Free, 27.3 MB): Complete your Little White Bear Studios puzzle game collection with TanZen. The object of the game is to try and complete the shape in the middle of the screen by using pieces from each side without allowing them to overlap. It includes over 558 puzzles, hints, and achievements via Game Center.

TanZen - Relaxing tangram puzzles is available for free for a limited time. It has a 4-star rating with a total of 10043 ratings.

iMetalBox: All-in-one pocket toolbox app for iPhone (Flashlight, Battery, Level, Ruler and other measure tools) is available for free for a limited time. It has a 4.5-star rating with a total of 8 ratings.

Inclusion ($0.99 → Free, 3.6 MB): A slick game of numbers that will get your brain juices flowing. You're presented with a target number at the top of the screen. If it's on the left, you must try to add up to it by tapping on the numbers provided to you. If it's on the right, you must subtract down to it. You must tap quickly, because the clock is ticking. If the screen fades out, you're done. The game includes three difficulty levels, six themes, and achievements and leaderboards via Game Center.

Inclusion is available for free today only (05/20). It has a 5-star rating with a total of 28 ratings.

Units - Unit Converter for your iPhone ($0.99 → Free, 3.7 MB): A simple and elegant unit converter designed to look and operate like a calculator. You're able to select your unit category and what you want it converted from and to all from a single screen. Then just punch in your digits and the app will take care of the rest. The app also includes update currency exchange rates, most common units and some specialized conversions, three user-assignable buttons, and copy and paste support.

Units - Unit Converter for your iPhone is available for free for a limited time. It has a 3.5-star rating with a total of 2951 ratings.

Universal:

File Transfer ($1.79 → Free, 4.4 MB): A productivity app that proves moving files between your many devices doesn't have to be a pain. Just install the free companion app on your Mac or PC, or install File Transfer on another iDevice. That's it. No configuration is needed. All devices with File Transfer installed will automatically be discovered. You're able to transfer files over Wi-Fi or Bluetooth.

File Transfer is available for free for a limited time. It has a 4-star rating with a total of 5 ratings.

ElectroTrains ($0.99 → Free, 7.1 MB): An electric arcade strategy game. Your job is to guide trains of different colors to their correct stations without allowing them to crash into each other. Trains enter the screen as one of three colors, and you must direct them to their matching stations by tapping on the tracks to switch them. When passengers have been delivered your train will turn white, allowing you to guide it back off the screen. The game includes two modes, six maps, glowing vector graphics, the ability to speed up trains by tapping on them, and leaderboards via Game Center.

ElectroTrains is available for free for a limited time. It has a 4.5-star rating with a total of 427 ratings.

Bottle Cap Blitz ($0.99 → Free, 44.2 MB): Flick bottle caps like there's no tomorrow in this fast-paced arcade game. You're equipped with an arsenal of bottle caps. You must smash the ice cubes that enter the screen by firing your bottle caps at them with a tap. Try to string together combos to boost your score. You're also graded on how accurate you are, so don't waste any bottle caps. The game includes loads of bottle cap designs to unlock, power-ups, iCloud support, and achievements and leaderboards via Game Center.

Bottle Cap Blitz is available for free for a limited time. It has a 4.5-star rating with a total of 34 ratings.

iPad:

Move and Match ($1.99 → Free, 3.7 MB): This highly customizable educational tool allows you to create projects for the kids in your class or just for fun at home. It allows you to create and customize boxes that can be filled with text or images from your library. Then have your kids move and match the boxes by tapping and dragging them. The possibilities are truly endless, but if you need some inspiration, check out the free projects available through the developer's Dropbox. The app also includes loads of background colors to choose from, and the ability to share projects by email.

Move and Match is available for free for a limited time. It has a 4-star rating with a total of 7 ratings.

That concludes today's issue of Apps Gone Free. If you like staying on top of these daily deals, don't forget to check out our free AppsGoneFree app. It provides all the deals each day, and even an archive of past deals that are still active.

Developers:

If you are a developer who would like to get your app included in our “Apps Gone Free” daily lists, here’s our basic set of rules:

It must have at least a three-star average rating at the time it goes free.

The app must not have been free numerous times (3+) over the last six months.

The free version of your app must not include ads.

To submit an app, simply send a request to [email protected] with the subject “Apps Gone Free.” Please include the name of the app, a link to it in the App Store, when and for how long you intend to offer the app for free, and anything else you would like to share. We will take it from there.